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Unformatted text preview: same time (The Pauli exclusion principle) • 1925 – de Broglie showed that matter such as
electrons and atoms exhibited a wave-like
property as well as the standard particle-like
where p is the momentum, h is constant
(Planck’s Constant), λ is the wavelength, k is the
wavenumber 2π/λ and h=h /2π.
EE 332 Spring 2013 History of Physical Models
• 1926 – Schrodinger came up with a wave-based
version of Quantum Mechanics. • 1927 – Heisenberg showed that you could not
know both the time and energy or the
momentum and position perfectly at the same
Δp Δx ≥h
ΔE Δt ≥h
………………….Etc………… EE 332 Spring 2013 Quantum Mechanics
Let’s examine few of them in more detail
• Photoelectric effect • Bohr Model • Schrödinger equation • Atomic Structure EE 332 Spring 2013 Photoelectric Effect Em = hυ − qΦ
EE 332 Spring 2013 The (Hydrogen Atom)
The Bohr Model Bohr Model Electron binding energy in H
n = 1, 2, 3, …
EE 332 Spring 2013 Schrödenger Equation:
•In “Electrical Properties of Materials”, Solym...
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This document was uploaded on 02/18/2014.
- Spring '09